BestAir

18x18 x 1 In. Standard Pleated Air Filter, 90 Days (12 pieces)

Model: B1-1818-8-12

SKU: 671477

18x18 x 2 In. Air Cleaning Furnace Filter, MERV 8, 90 Days (6 pieces)

Model: BA2-1818-8

SKU: 121342

18x20 x 1 In. MERV 11 Furnace Filter, 90 Days (12 pieces)

Model: B1-1820-11-12

SKU: 121302

18x20 x 1 In. Pleated Air Filter, MERV 8, 90 Days (12 pieces)

Model: B1-1820-8-12

SKU: 181736

18x24 x 1 In. Pleated Air Filter, MERV 8, 90 Days (12 pieces)

Model: B1-1824-8-12

SKU: 128114

18x24 x 2 In. Air Cleaning Furnace Filter, MERV 8, 90 Days (6 pieces)

Model: BA2-1824-8

SKU: 121350

18x25 x 1 In. MERV 11 Furnace Filter, 90 Days (12 pieces)

Model: B1-1825-11-12

SKU: 121304

18x25 x 1 In. Pleated Air Filter, MERV 8, 90 Days (12 pieces)

Model: B1-1825-8-12

SKU: 206321

18x30 x 1 In. Standard Pleated Air Filter, MERV 8, 90 Days (12 pieces)

Model: B1-1830-8-12

SKU: 767267

20x20 x 1 In. MERV 11 Furnace Filter (12 pieces)

Model: B1-2020-11-12

SKU: 118926

20x20 x 1 In. MERV13 Furnace Filter, 90 Days (6 pieces)

Model: B1-2020-13-6

SKU: 122335

20x20 x 1 In. Pro Air Cleaning Pleated Furnace Filter, MERV 8, 90 days (12 pieces)

Model: BA1-2020-8

SKU: 119871

20x20 x 1 In. Standard Pleated Air Filter, MERV 8, 90 Days (12 pieces)

Model: B1-2020-8-12

SKU: 580074

20x20 x 1 In. Standard Pleated Air Filter, MERV 8, 90 Days, 3-Pk. (4 pieces)

Model: B1-2020-8-3VP4

SKU: 166211

20x20 x 2 In. Pro SeriesAir Cleaning Furnace Filter, MERV 8 (6 pieces)

Model: BA2-2020-8

SKU: 119876